20 H. J. Webber — 
42. CLAVARIEZ. 
102. PTERULA Fr. 
147. P. muLtiFipa Fr. On decaying leaves at bases of trees in heavy 
timber, rare. Wabash (Williams). 
43. TREMELLINEZ. 
103. GUEPINA Fr. 
148. G. SPATHULARIA (Schw.) Fr. On old boards, R. R. ties, etc., com- 
mon. Weeping Water and Ashland (Williams). Lincoln (Webber). 
44, CHAREE. 
104. CHARA (Vaill.) Leonh. 
149. C. conTRaRIA A. Br. Flowing or standing water and cold 
springy lakes. Fremont, July (Williams). 
150. C. FRAGILIS, Desv. In ponds. Greeley Center, Greenwood, 
Fremont (Williams). 
105. NITELLA Ag. 
151. N. acuminata A. Br. var. GLoMERATA A. Br. Ponds near Lin- 
coln (Bessey). 
152. N. FLEXILIS Ag. Ponds near Minden. In material collected by 
Dr. Hapeman (Bessey). 
153. N. Mucronata A. Br. Ponds near Minden. In material col- 
lected by Dr. Hapeman (Bessey). 
BRYOPHYTA. 
45. BRYACEZE. 
106. GYMNOSTOMUM Hedw. 
154. G. RupEsTRE Schwegr. (Mollia eruginosa (Sm.) Lindb.). On 
damp overhanging stone cliff. Pine Ridge, July 25 (Webber). 
107. DICRANELLA Schimp. 
155. D. varra Schimp. On wet clayey soil, banks of the Mo. River. 
Peru, March (Webber). 
108. DESMATODON Bria. 
156. D. ARENACEUS Sulliv. & Lesq. On ground. Collected by Mr. 
Brunner at Ashland, May (Webber), 
157, D. NeRvosus. Bruch. & Schimp. var gEDENTULUS Bruch. & 
Schimp. Abundant on stone. Peru, March (Webber). 
109. BARBULA. Hedwig. 
"158. 2. RURALIS Hedw. Pine Ridge, Aug. 3 (Webber). 
